silence the birds‚ kill the fish‚ exterminate the plants‚ and even harm humans. This mysterious powder was beginning to become more known and accepted as a mean for terminating insects. Why could an insecticide so detrimental become so widely used?
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INSECTICIDAL EFFECT OF ALLIUM CEPA (ONION) AND ALLIUM SATIVUM (GARLIC) ON MOSQUITOES An investigatory project in partial fulfilment of the Requirement in Research II THE PROBLEM AND ITS BACKGROUND Introduction Nowadays‚ we are experiencing diseases which is caused by insects like mosquito. To name some are Dengue‚ Hemorrhagic Fever‚ and Malaria wherein if not treated early it can cause death. Mosquitoes are all around the corner of our environment. They are not that big but can cut
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What preparations are taken in our country to save people and wealth during natural calamities? Bangladesh is a disaster-prone country of an area of about 1‚ 47‚570 sq. km. with population nearing 140 million. Bangladesh becomes the worst victim of natural calamities causing colossal loss of lives and properties. Most of the people of this country are very poor. It is predominantly an agricultural country. The economy largely depends on weather. Major disasters that occur in Bangladesh are: tropical
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REVIEW OF RELATED LITERATURE AND STUDIES Humans have been using insecticides for thousands of years. The Egyptians used unspecified chemicals to combat fleas in their homes about 3‚ 500 years ago‚ and arsenic has been used as an insecticide in china for at least 2‚ 900 years. Insecticide is a substance that kills insects. Insecticides are sometimes called pesticides. But pesticides include substances used to control mice‚ weeds and other pests besides insects. Insects harm human by transmitting
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CHAPTER 2 REVIEW OF RELATED LITERATURE I. Background Black Rice Bug Black rice bug or mostly known as ‘’ itim na atangya ‘’ appears commonly during rainy seasons yet they are also seen during summer and when irrigation starts. An adult female bug lays their eggs in clusters‚ each containing 29-34 eggs‚ egg incubation of RBB is 3 to 7 days. It lives from 3 to 7 months. The female lays about 200 eggs during her lifetime. Large populations of this pests are more common on lowland rice‚ rain
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Insecticide are any toxic substance that is used to kill insects. Insecticide are the substance used primarily to control pests that infest cultivated plants or to eliminate disease-carrying insects in specific areas. They are extremely effective weapons against disease-carrying insects and insects that destroy or damage crops and properties. However‚ in my opinion‚ using an insecticide to destroy the insect population are harmful to the environment. First of all‚ base on the information from the
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PRESENCE OF INSECTICIDES IN FRUITS AND VEGETABLES A PROJECT REPORT Submitted by VAISHAKH MURALEEDHARAN Class: XII-A JANUARY 2015 DEPARTMENT OF CHEMISTRY SHANTINIKETAN INDIAN SCHOOL DOHA-QATAR SHANTINIKETAN INDIAN SCHOOL‚ DOHA – QATAR Affiliated to the Central Board of Secondary Education‚ Delhi. Approved by the Ministry of Education‚ State of Qatar. BONAFIDE CERTIFICATE This is to certify that this project report entitled “CHEMISTRY PROJECT ON” PRESENCE OF INSECTICIDES IN FRUITS
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Rachel Carson’s “Silent Spring” Silent Spring is widely accepted as helping start the American environmental movement in 1972. Rachel Carson was a well-known author on natural history when Silent Spring was published. The book spearheaded environmental concern and no book since has had the same impact. It begins with a story about a quaint and charming little farm town in pristine Anywhere‚ mid-America and describes wildlife and all the beautiful colors on the countryside. Many people come to
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use insecticides. For us‚ a house is a place of residence. It is usually a place in which an individual or a family can rest‚ store personal property‚ and prepare food in able for the house fulfils its function‚ we need to eliminate some factors that disturb us in doing these things. Examples are the insects. One of the easy ways to prevent insects is to use insecticides. This is the reason why I decided to make a liquid insecticide. There are many commercially available liquid insecticides in the
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the environment and organisms. An environmentalist named Rachel Carson was greatly bothered by this and wrote the book Silent Spring explaining the toxicity of insecticides and their effects on life. Carson explained the effects that insecticides were having on life at that time‚ and the effects that would happen in the future if insecticide use continued. Silent Spring is an important book‚ and has had a big impact on the environment. The main points of Silent Spring were to educate people on the
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